Home / 43,008,435.40-64,470,662.70-38,473,472.20

Finding the Fourth Proportional to 43,008,435.40, 64,470,662.70 and 38,473,472.20

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Solution

The fourth proportional to 43,008,435.40, 64,470,662.70 and 38,473,472.20 is: 57,672,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,008,435.40 : 64,470,662.70 = 38,473,472.20 : x
  2. Step 2: Convert to fraction form
    43,008,435.40/64,470,662.70 = 38,473,472.20/x
  3. Step 3: Cross multiply
    43,008,435.40x = 64,470,662.70 × 38,473,472.20
  4. Step 4: Simplify right side
    43,008,435.40x = 2,480,410,249,104,027
  5. Step 5: Solve for x
    x = 2,480,410,249,104,027/43,008,435.40
  6. Step 6: Final answer
    x = 57,672,645.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.